Sidewalls for a bottle



FIG. 1 is a side elevational view of a sidewalls for a bottle, showing our new ornamental design, the opposite side being a mirror image thereof;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a top view thereof.

The broken line showing of a bottom portion of a bottle and a bottle neck is for illustrative purposes only and does not form part of the claimed design. 

The ornamental designs for a sidewalk for a bottle, as shown and described. 